religious belief vs Orthodox

religious belief is a noun but Orthodox is not a noun.

Word	Noun	Adjective	Verb	Adverb
religious belief	Yes	No	No	No
Orthodox	No	Yes	No	No

religious belief (noun)	Orthodox (noun)
a strong belief in a supernatural power or powers that control human destiny

religious belief (adjective)	Orthodox (adjective)
	of or pertaining to or characteristic of Judaism
	of or relating to or characteristic of the Eastern Orthodox Church